Changed EventsMap.java and EventsData.java to use Gson for deserialization.
Made MessageThreadData.java and MessageThreadMap.java to use Gson for deserialization.
Made GroupData.java and GroupsMap.java to use Gson for deserialization.
Made GroupMemberData.java and GroupMembersMap.java to use Gson for deserialization.
Actually deleted some things I "meant" to delete earlier.
Fixed a comment.
Made PhotoData.java and PhotosMap.java to use Gson for deserialization.
Got rid of some debugging stuff that I forgot to get rid of earlier.
Made AlbumsMap.java an AlbumData.java to use gson for deserialization.
Removed now unused constructor.

Constructor is no longer used since gson is now used for
deserialization.
In MessageData.java and MessageThreadData.jave, fixed some issues where incorrect time stamps were being shown for messages. Removed commented println() in MessageActivity.java.
Made EventDisplayActivity.java, EventsMap.java, and EventData.java to use gson for deserialization.